Move prefs-related files under chrome/browser/ into a prefs/ subdir.

chrome/browser/extensions/extension_i18n_api.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_i18n_api.h"
 
 #include "base/string_piece.h"
 #include "base/utf_string_conversions.h"
-#include "chrome/browser/pref_service.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/pref_names.h"
 
 // Errors.
 static const char kEmptyAcceptLanguagesError[] = "accept-languages is empty.";
 
 bool GetAcceptLanguagesFunction::RunImpl() {
   string16 acceptLanguages =
       UTF8ToUTF16(profile()->GetPrefs()->GetString(prefs::kAcceptLanguages));
   // Currently, there are 2 ways to set browser's accept-languages: through UI
@@ skipping 26 matching lines @@
     // ending with ','.
     if (end == string16::npos || begin >= acceptLanguages.length())
       break;
   }
   if (static_cast<ListValue*>(result_.get())->GetSize() == 0) {
     error_ = kEmptyAcceptLanguagesError;
     return false;
   }
   return true;
 }